Lettuce nutritional value and efficacy of which people can not eat
Lettuce nutritional value and efficacy of which people can not eat. Lettuce not only taste good, and high nutritional value, is a lot of people are very favorite vegetables, but many people in the consumption of lettuce, just know that it is high nutritional value, the following is the nutritional value and efficacy of lettuce which people can not eat.
Lettuce nutritional value and efficacy of which people can not eat 1Nutritional composition of lettuce
Lettuce contains a variety of nutrients, including vitamin A, vitamin B1, B2, vitamin E, protein, niacin, carotene, fat, dietary fiber, as well as trace elements such as calcium, magnesium, phosphorus, sodium, potassium. Each 100g lettuce stem edible part containing protein 1g, dietary fiber 0, 6g, carotene 150 micrograms.
Fat 0, 1g, vitamin C 4mg, potassium 212mg, sodium 36, 5mg, vitamin A 25 micrograms, magnesium 19mg, iron 0, 9mg, calcium 23mg, phosphorus 48mg, manganese 0, 19mg, zinc 0, 33mg, selenium 0, 54 micrograms.
It can be seen that lettuce stems are quite nutritious, but according to the determination, lettuce leaves in vitamin C, carotene, protein, sugar, iron, and other components of the content is much higher than the stems, so don't throw away the leaves when eating lettuce.
Effects and Roles of Lettuce
Chinese medicine believes that lettuce is cool and sweet and bitter, and can detoxify the organs, clear heat and diuretics, calm and sleep, white teeth and eyes, and has a complementary therapeutic effect on the adverse effects of urination, high blood pressure, hypertension, and lack of breast milk after childbirth.
Cleansing and laxative
Fresh lettuce contains a large amount of dietary fiber and water, which can promote intestinal peristalsis, accelerate the digestion of food, help the bowel movement, and prevent constipation.
Improve appetite
Lettuce stems and leaves contain lettucin, which has a bitter flavor and can stimulate gastric secretion, promote digestion and improve appetite.
Sedation and sleep
Lettuce stem and leaf milky juice has a sweet and slightly bitter component - inulin, which has the effect of sedation and sleep.
Weight loss and slimming
Lettuce high water content, contains a lot of dietary fiber, low fat and calories, and high potassium, can be laxative and diuretic, intestinal detoxification, you can play a weight loss and slimming effect.
Lowering blood sugar
Lettuce has a high content of niacin, which can enhance the role of insulin, with the ability to regulate blood sugar levels and reduce the occurrence of diabetes. Diabetics often eat lettuce can improve the function of sugar metabolism.
Reducing blood pressure
Lettuce is rich in trace elements, especially high in potassium, potassium ions into the human body is conducive to the balance of water electrolytes, play a diuretic, breast milk, swelling effect, especially suitable for high blood pressure, heart disease, edema and other people to eat.
Lettuce is known as the "golden dish", its stems and leaves are rich in carotene and vitamin C, appropriate intake can protect the eyes. In addition. Lettuce contains a substance that will stimulate the optic nerve, ancient books have recorded that eating lettuce will make people's eyesight blurred, stop eating a few days after the recovery.
Cancer
What to pay attention to when eating lettuce
1, women should not eat cold lettuce
Lettuce is cold, menstruation women to eat or lead to poor menstruation, irregular menstruation, and aggravation of symptoms of dysmenorrhea.
2, cold spleen or cold body should not eat
Lettuce is cold food, but also stimulate gastric secretion, cold body or spleen and stomach bad people eat will be more cold.
3, people with eye disease should not eat
Ancient books record lettuce is poisonous, people can not eat more, eat more to make the human eye paste people in its poison, to ginger solution. So people with eye disease should not eat more lettuce.
4, moderation
Eating lettuce needs to be moderate, a large number of consumption or trigger poisoning such as dizziness, drowsiness, and may cause night blindness.
Lettuce nutritional value and efficacy of which people can not eat 2
Lettuce consumption
Lettuce is suitable for burning, mixing, choking, stir-frying and other cooking methods, but also can be used to do it soup and ingredients and so on.
Lettuce is afraid of salt, salt should be less to taste.
When blanching lettuce, you must pay attention to the time and temperature, blanching too long, the temperature is too high will make lettuce soft, lose the crisp taste.
Lettuce is a traditional breast-enhancing vegetable, combined with beef containing B vitamins, it has the effect of regulating qi and blood, and can promote the supply of nutrients to the breast area.
Squeeze the water out of lettuce before it goes into the pot, which can increase the crunchiness of lettuce. However, from a nutritional point of view, should not be squeezed dry water, which will lose a lot of water-soluble vitamins.
Lettuce eating taboos
Lettuce lettuce biochemicals have a stimulating effect on the optic nerve, so excessive consumption of lettuce, dizziness and drowsiness will occur in the toxic reaction, leading to night blindness or inducing other eye diseases. Eating more lettuce caused by night blindness and eye disease only need to stop eating lettuce, a few days later will be better. Therefore, lettuce should not be eaten at once, and should be eaten in moderation, so as to play a healthy body to prevent disease and auxiliary treatment role.
Lettuce recipes
Cold lettuce
Ingredients: 2 lettuce; 3 teaspoons of salt; 2 tablespoons of green onion oil; 2 teaspoons of sugar
Lettuce with a paring knife shaved the skin (the white part of the stem should be cleanly shaved, affecting the taste). )
Use a julienne spatula to rub into julienne strips, add 5 grams of salt and mix well to marinate for about half an hour
Marinated look (marinated time is not too short, the lettuce water are marinated out of the crisp taste, if not marinated through the lettuce, the back of the mixing will still be out of the water, affecting the taste)
Marinated lettuce fully squeezed dry (squeezed dry taste is good)
Add green onion oil, half a teaspoon of salt and sugar to mix well. sugar can be fully mixed (no onion oil with sesame oil or olive oil can also be)
lettuce fried yam
Ingredients: 400 grams of yam; lettuce half; green pepper 2; salt; cooking wine; chicken essence; vegetable oil
yam peeled and washed, sliced, put in water to soak, lettuce peeled and washed, sliced, green pepper to remove the tip, remove seeds, washed, sliced The first thing you need to do is to get your hands dirty.
Add water to the pot, and when it boils, blanch the yam slices, and drain.
Put a little oil in the frying pan, first explode the onion and ginger slices, and then the yam slices, lettuce slices, green pepper slices, and then pour into the pan.
Add salt, cooking wine, chicken stir-fry 2 minutes to plate.
Lettuce nutritional value and efficacy of which people can not eat 3
Lettuce nutritional value
Lettuce originating in the Mediterranean region, in the seventh century or so imported into our country, and soon won the national favorite. Lettuce is not only rich in nutritional value, but also high in medicinal value. The Compendium of Materia Medica mentioned that Li Shizhen used lettuce soaked in wine to decoct water for women in labor to enable them to produce abundant milk.
Lettuce, also known as lettuce, white shoots, raw shoots, lettuce shoots, lettuce, lettuce, fragrant lettuce, contains carbohydrates, protein, fat, a large amount of dietary fiber, potassium, phosphorus, calcium, sodium, magnesium, folic acid, vitamin A, vitamin B1, vitamin B2, vitamin B6, vitamin E, vitamin K.
Lettuce 's leaves are rich in vitamins A, B1, B2, C and P, containing Quite rich in iron salts, calcium salts and phosphorus salts, for lettuce, has a high nutritional value. Children eat more lettuce for growth and development is very beneficial, eat 200 grams of lettuce leaves per day, can meet the needs of carotene, eat 500 grams of lettuce leaves, can meet the needs of vitamin C.
Effects and functions of lettuce
1, lower blood pressure
Lettuce is a high-potassium, low-sodium vegetables, per 100 grams of lettuce containing 212 mg of potassium, containing 36.5 mg of sodium. Potassium is an essential element to maintain human life, it can make arterial dilation, reduce peripheral vascular resistance, promote urinary sodium excretion, reduce cardiovascular burden, so that hypertensive patients with arterial wall thickening has been reduced to achieve the purpose of reducing blood pressure. Hypertension, arrhythmia, often eat raw fresh lettuce, the efficacy is remarkable.
2, diuretic breast
Lettuce is rich in potassium ions, is 27 times the sodium content, is conducive to the body's water-electrolyte balance, promote urination. Lettuce contains more niacin, can increase milk secretion, is an important member of the maternal recipe.
3, increase fluoride blood
Lettuce is rich in fluorine, can participate in the formation of tooth enamel and dentin, involved in bone growth. The organic compounds contained in lettuce are rich in iron that can be absorbed by the human body, which is very beneficial to patients with iron deficiency anemia, and the iron it contains is easily absorbed by the human body under the action of organic acids and enzymes. The white pulp flowing from the stem of lettuce has a tranquilizing and hypnotic effect, and has the function of regulating the nervous system.
4, wide bowel laxative
Lettuce contains a lot of plant cellulose, which can promote peristalsis of the intestinal wall, facilitate the digestive tract, and help the excretion of stools, which can be used to treat various kinds of constipation.
5, anti-cancer
Lettuce contains an aromatic hydrocarbon hydroxylated lipids, for liver cancer, gastric cancer has a preventive effect, but also can alleviate the side effects of radiotherapy or chemotherapy for cancer patients, is a kind of anti-cancer vegetables.
6, open the ease, eliminate accumulation of gas
Chinese medicine believes that lettuce taste bitter, cold, have the effect of clearing heat and detoxification, swelling dissipation. Lettuce stimulates the secretion of digestive enzymes, enhance appetite, its milky pulp, can enhance gastric juice, secretion of digestive glands and bile secretion, on the weakening of digestive function, the digestive tract in the reduced acidity of the patient is particularly favorable.
Taboo of lettuce
Modern medicine believes that lettuce is rich in sugar, vitamin C and calcium, phosphorus, iron and other components. Every 500 grams of lettuce contains about 12 milligrams of iron, which is basically the same as spinach.
Although lettuce is good, it should not be eaten more. There are two categories of people who are not suitable for eating lettuce. One is lettuce bitter cold, where the spleen and stomach cold, it is not appropriate to eat; two is an eye disease is not suitable for eating lettuce.
Summary: lettuce as a popular vegetable, is a lot of people on the table of the common things, but, eating lettuce should pay attention to taboos, because lettuce bitter cold, if the spleen and stomach cold people eat, often bring discomfort to the body, then, in the consumption of lettuce, you must pay attention to their own lettuce is suitable for consumption, oh, so as to avoid eating inappropriate, to the body caused harm.